Optimal Complete Nutrition Plus is a hypoallergenic, high-protein, vegetarian friendly powder free of gluten, dairy and soy. It contains no GMOs. The most common allergens are milk, eggs, fish, shellfish, tree nuts, peanuts, wheat and soybeans. Complete Nutrition Plus contains NONE of these. Instead, this formula contains a high dosage of antioxidants proven to squelch all five disease-causing free radicals, making it the most potent vegetarian-friendly powder we make.